fpu_asm.h

来自「Linux 1.0 内核C源代码 Linux最早版本代码 由Linus Tor」· C头文件 代码 · 共 31 行

/*---------------------------------------------------------------------------+
 |  fpu_asm.h                                                                |
 |                                                                           |
 | Copyright (C) 1992    W. Metzenthen, 22 Parker St, Ormond, Vic 3163,      |
 |                       Australia.  E-mail   [e-mail]    |
 |                                                                           |
 +---------------------------------------------------------------------------*/

#ifndef _FPU_ASM_H_
#define _FPU_ASM_H_

#include "fpu_emu.h"

#define	EXCEPTION	_exception


#define PARAM1	8(%ebp)
#define	PARAM2	12(%ebp)
#define	PARAM3	16(%ebp)
#define	PARAM4	20(%ebp)

#define SIGL_OFFSET 8
#define SIGN(x)	(x)
#define	TAG(x)	1(x)
#define	EXP(x)	4(x)
#define SIG(x)	SIGL_OFFSET##(x)
#define	SIGL(x)	SIGL_OFFSET##(x)
#define	SIGH(x)	12(x)

#endif _FPU_ASM_H_